Dir。在文件夹中获取所有的csv和xls文件。

folder_to_analyze = ARGV.first
folder_path = File.join(Dir.pwd, folder_to_analyze)

unless File.directory?(folder_path)
  puts "Error: #{folder_path} no es un folder valido."
  exit
end

def get_csv_file_paths(path)
  files = []
  Dir.glob(path + '/**/*.csv').each do |f|
    files << f
  end
  return files
end

def get_xlsx_file_path(path)
  files = []
  Dir.glob(path + '/**/*.xls').each do |f|
    files << f
  end
  return files
end

files_to_process = []
files_to_process << get_csv_file_paths(folder_path)
files_to_process << get_xlsx_file_path(folder_path)
puts files_to_process[1].length # Not what I want, I want:
# puts files_to_process.length
folder_to_analyze = ARGV.first
folder_path = Fi